Size

Crown: 2-5cm (1-1.5")

Recognition Characters

Two spiraled crowns of radioles, with double-horned operculum in between. Tubes are hidden with a single sharp spike protruding from edge of opening.

Color

Colors vary. Most frequently shades of brown, orange, maroon, and white.

Habitat & Depth

Ledges, rocky outcroppings and coral reefs. To 30m.

Distribution at GRNMS

Occasional. Found protruding from cracks or crevices in rock.

Geographic Range

Georgia, Florida, Caribbean

Behavior & Notes

These are shy animals. They instantly retract crowns into tubes when disturbed. If diver waits motionless for several minutes crowns may slowly extend and reopen.

Synonyms

References

Humann 1992a